//
// AccessExpirationDecorator.h
//
// Library: Foundation
// Package: Cache
// Module:  AccessExpirationDecorator
//
// Implementation of the AccessExpirationDecorator template.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef Foundation_AccessExpirationDecorator_INCLUDED
#define Foundation_AccessExpirationDecorator_INCLUDED


#include "Poco/Timespan.h"
#include "Poco/Timestamp.h"


namespace Poco
{


template <typename TArgs>
class AccessExpirationDecorator
/// AccessExpirationDecorator adds an expiration method to values so that they can be used
/// with the UniqueAccessExpireCache
{
public:
    AccessExpirationDecorator() : _value(), _span() { }

    AccessExpirationDecorator(const TArgs & p, const Poco::Timespan::TimeDiff & diffInMs)
        : /// Creates an element that will expire in diff milliseconds
        _value(p)
        , _span(diffInMs * 1000)
    {
    }

    AccessExpirationDecorator(const TArgs & p, const Poco::Timespan & timeSpan)
        : /// Creates an element that will expire after the given timeSpan
        _value(p)
        , _span(timeSpan)
    {
    }


    ~AccessExpirationDecorator() { }

    const Poco::Timespan & getTimeout() const { return _span; }

    const TArgs & value() const { return _value; }

    TArgs & value() { return _value; }

private:
    TArgs _value;
    Timespan _span;
};


} // namespace Poco


#endif // Foundation_AccessExpirationDecorator_INCLUDED
